(1):

(n.) The commotion or agitation of a multitude, usually accompanied with great noise, uproar, and confusion of voices; hurly-burly; noisy confusion.

(2):

(n.) Irregular or confused motion; agitation; high excitement; as, the tumult of the spirits or passions.

(3):

(n.) Violent commotion or agitation, with confusion of sounds; as, the tumult of the elements.

(4):

(v. i.) To make a tumult; to be in great commotion.